2158874 has 8 divisors (see below), whose sum is σ = 3286848. Its totient is φ = 1063260.

The previous prime is 2158859. The next prime is 2158889. The reversal of 2158874 is 4788512.

It is an interprime number because it is at equal distance from previous prime (2158859) and next prime (2158889).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7922 + ... + 8189.

It is an arithmetic number, because the mean of its divisors is an integer number (410856).

2^2158874 is an apocalyptic number.

2158874 is a deficient number, since it is larger than the sum of its proper divisors (1127974).

2158874 is a wasteful number, since it uses less digits than its factorization.

2158874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16180.

The product of its digits is 17920, while the sum is 35.

The square root of 2158874 is about 1469.3107227540. The cubic root of 2158874 is about 129.2436155212.

The spelling of 2158874 in words is "two million, one hundred fifty-eight thousand, eight hundred seventy-four".